<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
    </head>
    <body>
        <div id="box"></div>
    </body>
    <script type="module">
        import oqiwu from './index.js' //默认导出的时候直接一个变量名
        import { a, b as oooo } from './index.js' //导出的时候用{}包裹

        oqiwu.fun()
    </script>
</html>
